GM Service Manual Online
For 1990-2009 cars only
Table 1: Auxiliary Power Outlet
Table 2: Cigar Lighter (w/RPO D55)
Table 3: Cigar Lighter (w/0 RPO D55)
Table 4: Fuse Block-Underhood C1
Table 5: Fuse Block-Underhood C2
Table 6: Fuse Block-Underhood C3
Table 7: Fuse Block-Underhood C4
Table 8: Fuse Block-Underhood C5
Table 9: Fuse Block-Underhood C6
Table 10: Fuse Block-Underhood C7
Table 11: Ignition Switch

Auxiliary Power Outlet


Object Number: 320518  Size: CH

Connector Part Information

    • 12126446
    • 3-Way F Metri-Pack Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

2540

Battery Positive Voltage

B

--

--

Not Used

C

BLK

1450

Ground

Cigar Lighter (w/RPO D55)


Object Number: 38228  Size: CH

Connector Part Information

    • 12047699
    • 2-Way M SLV and LC/LTR, Pull to Seat, (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

BLK

150

Ground

Cigar Lighter (w/0 RPO D55)


Object Number: 365964  Size: CH

Connector Part Information

    • 12176445
    • 3-Way F Metri-Pack 280 Series Flex Lock (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

2540

Battery Positive Voltage

B

--

--

Not Used

C

BLK

1450

Ground

Fuse Block-Underhood C1


Object Number: 280784  Size: CH

Connector Part Information

    • 15303513
    • 68-Way F Metri-Pack 280 Series Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BLK/WHT

451

Ground (L36/L67)

A2

LT BLU

409

Cooling Fan Motor Supply Voltage

A3

DK GRN

335

Low Speed Cooling Fan Relay Control

A4

--

--

Not Used

A5

PNK

339

Ignition 1 Voltage (L36/L67)

A6-A7

--

--

Not Used

A8

ORN

2740

Battery Positive Voltage

A9

PNK

1339

Ignition 1 Voltage

A10

GRY

532

Cooling Fan Motor Supply Voltage

A11

DK BLU

473

High Speed Cooling Fan Relay Control

A12

ORN/BLK

434

Neutral Safety Switch Signal

B1

BLK

451

Ground (LG8)

B1

BLK/WHT

451

Ground (L36/L67)

B2

PNK

439

Ignition 1 Voltage

B3

--

--

Not Used

B4

PNK

339

Ignition 1 Voltage (L36)

B5

--

--

Not Used

B6

ORN

2140

Battery Positive Voltage

B7

PNK

239

Ignition 1 Voltage

B8

--

--

Not Used

B9

BRN

436

Air Pump Relay Control (LG8/L67)

B10-B11

--

--

Not Used

B12

YEL/BLK

625

Starter Enable Relay Control

C1

BLK/WHT

451

Ground

C2-C3

--

--

Not Used

C4

PNK

339

Ignition 1 Voltage

C5

PNK

839

Ignition 1 Voltage

C8

--

--

Not Used

C9

PNK

639

Ignition 1 Voltage

C10

--

--

Not Used

C11

BLK

1050

Ground

C12

--

--

Not Used

D1-D2

--

--

Not Used

D3

PNK

339

Ignition 1 Voltage (LG8)

D4

PNK

339

Ignition 1 Voltage (L67)

D5

PNK

839

Ignition 1 Voltage

D8

ORN

540

Battery Positive Voltage

D9

PPL

806

Crank Voltage

D10

WHT

1310

EVAP Canister Vent Solenoid Control

(VIN M, K Only)

D11-D12

--

--

Not Used

E1-E2

--

--

Not Used

E3

DK GRN/WHT

465

Fuel Pump Relay Control

E4-E7

--

--

Not Used

E8

PPL

1500

Ignition 0 Voltage

E9

PNK

1039

Ignition 1 Voltage

E10

ORN

2140

Battery Positive Voltage

E11-E12

--

--

Not Used

F1

ORN

840

Battery Positive Voltage (LG8)

F2-F5

--

--

Not Used

F6

LT GRN

24

Backup Lamp Supply Voltage (LG8)

F7

DK GRN

59

A/C Compressor Clutch Supply Voltage

F8

DK GRN/WHT

459

A/C Compressor Clutch Relay Control

F9

--

--

Not Used

F10

YEL

1737

Neutral Safety Switch Park/Neutral Signal

F11

--

--

Not Used

F12

WHT

504

Cooling Fan Low Reference

Fuse Block-Underhood C2


Object Number: 280786  Size: CH

Connector Part Information

    • 15303514
    • 68-Way F Metri-Pack 280 Series Flex Lock (DK GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

840

Battery Positive Voltage

A2-A3

--

--

Not Used

A4

PNK

1339

Ignition 1 Voltqge

A5

--

--

Not Used

A6

--

--

Not Used

A7

PPL

1500

Ignition 0 Voltage

A8-A10

--

--

Not Used

A11

WHT

1310

EVAP Canister Vent Solenoid Output

A12

--

--

Not Used

B1

ORN/BLK

840

Battery Positive Voltage

B2-B3

--

--

Not Used

B4

GRY

120

Furl Pump Supply Voltage

B5-B12

--

--

Not Used

C1

--

--

Not Used

C2

PNK

439

Ignition 1 Voltage

C3-C10

--

--

Not Used

C11

ORN/BLK

434

Neutral Safety Switch Signal

ORN/BLK

434

Neutral Safety Switch Signal

C12

--

--

Not Used

D1

--

--

Not Used

D2

PNK

439

Ignition 1 Voltage

D3-D8

--

--

Not Used

D9

PPL

806

Crank Voltage

D10-D11

--

--

Not Used

D12

ORN

57

Left Cornering Lamp Supply Voltage

E1

ORN

1340

Battery Positive Voltage

ORN

1340

Battery Positive Voltage

E2

PNK

339

Ignition 1 Voltage

E3-E5

--

--

Not Used

E6

PNK

1200

Headlamp High Beam Signal

PNK

1200

Headlamp High Beam Signal

E7-E8

--

--

Not Used

E9

BLK

58

Right Cornering Lamp Supply Voltage

E10

--

--

Not Used

E11

YEL/BLK

68

Low Coolant Level Indicator Control

E12

--

--

Not Used

F1

ORN

1340

Battery Voltage

ORN

1340

Battery Voltage

F2

PNK

339

Ignition 1 Voltage

F3-F4

--

--

Not Used

F5

DK GRN/WHT

1317

Fog Lamp Relay Control

F6

PPL

34

Front Fog Lamps Supply Voltage

F7

BLK

28

Horn Relay Control

BLK

28

Horn Relay Control

F8

BRN

9

Park Lamp Supply Voltage

F9

--

--

Not Used

F10

DK BLU

1201

Headlamp Low Beam Signal

F11

LT BLU

14

Left Turn Signal Lamps Supply Voltage

F12

DK BLU

15

Right Turn Signal Lamps Supply Voltage

Fuse Block-Underhood C3


Object Number: 280787  Size: CH

Connector Part Information

    • 15303512
    • 68-Way F Metri-Pack 280 Series Flex Lock (LT GRY)

Pin

Wire Color

Circuit No.

Function

A1-A4

--

--

Not Used

A5

BRN

9

Park Lamp Supply Voltage

A6

PPL/WHT

34

Front Fog Lamps Supply Voltage

A7

PNK/BLK

1200

Headlamp High Beam Signal

A8-A9

--

--

Not Used

A10

DK BLU/WHT

1201

Headlamp Low Beam Signal

A11

LT BLU

14

Left Turn Signal Lamps Supply Voltage

A12

DK BLU

15

Right Turn Signal Lamps Supply Voltage

B1-B4

--

--

Not Used

B5

BRN

9

Park Lamp Supply Voltage

B6

PPL

34

Front Fog Lamps Supply Voltage

B7

PNK

1200

Headlamp High Beam Signal

B8-B12

--

--

Not Used

C1-C4

--

--

Not Used

C5

BRN/WHT

9

Park Lamp Supply Voltage

C8

DK GRN

29

Horn Control

C9-C10

--

--

Not Used

C11

YEL/BLK

68

Low Coolant Level lndicator Control

C12

--

--

Not Used

D1-D4

--

--

Not Used

D5

BRN

9

Park Lamp Supply Voltage

D6-D9

--

--

Not Used

D10

RED

78

Air Pump Supply Voltage

D11

DK BLU

1201

Headlamp Low Beam Signal

D12

ORN

57

Left Cornering Lamp Supply Voltage

E1

ORN

1640

Battery Positive Voltage

E2

ORN/BLK

1740

Battery Positive Voltage

E3-E10

--

--

Not Used

E11

BLK

58

Right Cornering Lamp Supply Voltage

E12

--

--

Not Used

F1

ORN/BLK

1640

Battery Positive Voltage

F2

ORN

1740

Battery Positive Voltage

F3-F12

--

--

Not Used

Fuse Block-Underhood C4


Object Number: 280788  Size: CH

Connector Part Information

    • 12146038
    • 2-Way F 800 MaxiFuse (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

242

Battery Positive Voltage

B

RED

142

Battery Positive Voltage w/RAP

RED

142

Battery Positive Voltage w/RAP

Fuse Block-Underhood C5


Object Number: 258677  Size: CH

Connector Part Information

    • 12146037
    • 2-Way F 800 MaxiFuse (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

42

Battery Positive Voltage

Fuse Block-Underhood C6


Object Number: 280790  Size: CH

Connector Part Information

    • 12160605
    • 2-Way F 800 MaxiFuse (GRN)

Pin

Wire Color

Circuit No.

Function

A

RED

742

Battery Positive Voltage

B

RED

642

Battery Positive Voltage

Fuse Block-Underhood C7


Object Number: 365958  Size: CH

Connector Part Information

    • 12160606
    • 2-Way F 800 MaxiFuse (BRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

1442

Battery Positive Voltage

RED

1442

Battery Positive Voltage

Ignition Switch


Object Number: 523617  Size: CH

Connector Part Information

    • 12084183
    • 18-Way F Metri-Pack Mixed Series (BLK)

Pin

Wire Color

Circuit No.

Function

B1-B2

--

--

Not Used

B3

LT GRN

80

Key in Ignition Switch Signal

B4

TAN

1550

Ground

B5-B6

--

--

Not Used

C1

WHT

1390

OFF/RUN/CRANK Voltage

C2

BLK/WHT

150

Ground

C3-C4

--

--

Not Used

C5

PNK

3

Ignition 1 Voltage

C6

ORN

300

Ignition 3 Voltage

D1

YEL

5

Crank Voltage

D2

RED

142

Battery Positive Voltage

D3

WHT/BLK

987

Electric Park Lock Feed

D4

BLK

150

Ground

D5

RED/WHT

42

Battery Positive Voltage

D6

BRN

4

Accessory Voltage